Sum of prime numbers Andrey Tsvetkov

Compute the sum of all prime numbers in a stream of binary integers as fast as possible.

Input: 1 000 000 uint32 values in little-endian binary on STDIN (4 bytes each).

Output: The uint64 sum of all values that are prime, printed as a decimal string.

Back to listFeb 5, 2026 00:12vahookvahookError
Source Code

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Challenge History
DateChallengerCostTypeStatus
May 17, 2026 07:05M-Rochat10.00CustomSolution Broken
Run Statistics
#DateScoreWall TimeCPU UserCPU SystemMemoryError
1May 17, 2026 07:0608,466,6671,230,00002,113,536expected "6442459076 ", got "8136 "
2May 17, 2026 07:0608,960,5101,198,00002,113,536expected "6442459076 ", got "8136 "
3May 17, 2026 07:06011,019,9931,226,00002,113,536expected "6442459076 ", got "8136 "
4Feb 5, 2026 00:123,47022,699,6061,018,0002,036,0002,494,464
5Feb 5, 2026 00:123,48218,785,6541,021,0002,043,0002,498,560
6Feb 5, 2026 00:123,48820,030,9251,023,0002,046,0002,498,560